Assuming the merger between IDEC and Biogen is approved by shareholders at Special Meetings on Wednesday, November 12, held in San Diego and Cambridge, respectively, Mr. Rastetter and Mr. Kellogg would give a presentation about the new Biogen Idec.

Biogen is the world's oldest independent biotechnology company and a leader in biologics research, development and manufacturing. A pioneer in leading edge research in immunology, neurobiology and oncology, Biogen brings novel therapies to improve patients' lives around the world through its global marketing capabilities.

About IDEC Pharmaceuticals

IDEC is a leader in the discovery, development, and commercialization of targeted immunotherapies for the treatment of cancer and autoimmune diseases. IDEC discovered and developed the first commercially available radioimmunotherapy product (Zevalin(R)) approved in the United States, which is used to treat certain non-Hodgkin's lymphomas. IDEC also discovered and, with co-promotion partner Genentech, Inc., developed the first monoclonal antibody product (Rituxan(R)) approved in the United States for the treatment of cancer. Rituxan is approved in over 70 countries worldwide and is also used to treat various types of non-Hodgkin's lymphomas. IDEC is a San Diego-based, integrated biopharmaceutical company with multiple products in clinical stage development and strategic alliances in a variety of research platforms.